What is COMMUNICATIONS SURVIVABILITY? What does COMMUNICATIONS SURVIVABILITY mean? COMMUNICATIONS SURVIVABILITY meaning - COMMUNICATIONS SURVIVABILITY definition - COMMUNICATIONS SURVIVABILITY explanation.<br /><br />In telecommunication, communications survivability is the ability of communications systems to continue to operate effectively under adverse conditions, though portions of the system may be damaged or destroyed.<br /><br />Various methods may be used to maintain communications services, such as using alternate routing, different transmission media or methods, redundant equipment, and sites and equipment that are radiation hardened.